Jason Kaplan, 12, of Columbia, seen center through a blue ring, controls a remote underwater robot called "Sea Perch," a kit based submersible that kids could build from PVC and other materials. The game was to collect rings on the front magnet of the robot while in the water tank

Jason Kaplan, 12, of Columbia, seen center through a blue ring, controls a remote underwater robot called "Sea Perch," a kit based submersible that kids could build from PVC and other materials. The game was to collect rings on the front magnet of the robot while in the water tank (Photo by Nate Pesce)